Related Clues:

• Dominating power
• Be predominant
• Was monarch
• Period of monarch
• The sound of cats and dogs, as a rule?
• Period of the rule of a sovereign
• Predominance needs control -- little good in it
• Rule Niger, strangely
• Was Number One dropped when heard on radio?
• Was King George in control before Edward?
• Rule: keep leader of government in check
• Period when head of government's in control?
• Tests out street sign with current power
• Be in charge of livery covering point-to-point
• Who "Love, ___ o'er Me"